Model: The locomotive comes with an mfx decoder and controlled high-efficiency propulsion. It has a special can motor with a bell-shaped armature, and a flywheel. 4 axles powered. 4 traction tires. The locomotive has triple headlights / white marker light that change over with the direction of travel. They will work in conventional operation and can be controlled digitally. They are maintenance-free LED's. The acceleration and braking delay can be controlled digitally with a Control-Unit or Märklin Systems. Length over the buffers 16.5 cm / 6-1/2".